Finding the Fourth Proportional to 2,549.54, 3,518.52 and 1,430.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,549.54 : 3,518.52 = 1,430.57 : x
2. Step 2: Convert to fraction form
   2,549.54/3,518.52 = 1,430.57/x
3. Step 3: Cross multiply
   2,549.54x = 3,518.52 × 1,430.57
4. Step 4: Simplify right side
   2,549.54x = 5,033,489.16
5. Step 5: Solve for x
   x = 5,033,489.16/2,549.54
6. Step 6: Final answer
   x = 1,974.27